Seiko Discover More Ssb399P1 Scratch Resistant Sapphire Crystal All Tissot Chrono Supersport models

All Tissot Chrono Supersport models have a solid 316L stainless steel case

Showcasing a fusion of style and functionality

As part of the life of a modern

including two pink gold models

Featuring a precision chronograph movement

Seiko Discover More Ssb399P1 Scratch Resistant Sapphire Crystal All Tissot Chrono Supersport modelsThe machinery inside a watch that keeps things ticking is called the movement or a calibre. A synonym of size, the word calibre, first used as a watchmaking term in 1715, originally referred to the build of a watch movementthe layout, dimensions, shape and size of the wheels, barrels, bridges and so on. Today the word is a substitute for movement, the complete mechanism with the mainspring, escape wheel, bridges, gear train, and other components,